July weather forecastSouth Wellfleet, MA
July
Weather in July
July is a pleasant summer month in South Wellfleet, Massachusetts, with an average temperature fluctuating between 66.9°F (19.4°C) and 70.3°F (21.3°C).Temperature
As July sets, the average high-temperature shows a slight increase, moving up from a refreshing 62.4°F (16.9°C) in June to an agreeable 70.3°F (21.3°C). Recording a slight decline in temperature during the nights, South Wellfleet's July temperatures average at a comfortable 66.9°F (19.4°C).Humidity
With an average relative humidity of 85%, July is the most humid month.Rainfall
In July, in South Wellfleet, the rain falls for 13.3 days. Throughout July, 1.57" (40mm) of precipitation is accumulated. In South Wellfleet, during the entire year, the rain falls for 136.1 days and collects up to 17.24" (438mm) of precipitation.Snowfall
In South Wellfleet, snow does not fall in May through October.Daylight
The average length of the day in July in South Wellfleet is 14h and 52min.On the first day of July, sunrise is at 5:08 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 7:59 pm EDT.
Sunshine
In South Wellfleet, the average sunshine in July is 10.4h.UV index
The months with the highest UV index are July and August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 6 in July translates into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
South Wellfleet, MA
- Average high temperature in July: 70.3°F
The warmest month (with the highest average high temperature) is August (71.1°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in July: 66.9°F
The month with the highest average low temperature is August (67.6°F).
The coldest months (with the lowest average low temperature) are January and February (31.6°F).
Average pressure in July
South Wellfleet, MA
- Average pressure in July: 29.95"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in July
South Wellfleet, MA
- Average wind speed in July: 11.6mph
The windiest month (with the highest average wind speed) is January (18.5mph).
The calmest months (with the lowest average wind speed) are July and August (11.6mph).
Average humidity in July
South Wellfleet, MA
- Average humidity in July: 85%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (74%).
Average rainfall in July
South Wellfleet, MA
- Average rainfall in July: 1.57"
The wettest month (with the highest rainfall) is October (2.17").
The driest months (with the least rainfall) are February and November (1.18").
Average rainfall days in July
South Wellfleet, MA
- Average rainfall days in July: 13.3 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in July
South Wellfleet, MA
- Average snowfall in July: 0"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
South Wellfleet, MA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
South Wellfleet, MA
- Average daylight in July: 14h and 54min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in July: 10h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in July
South Wellfleet, MA
- Average sunshine days in July: 16.4 days
The month with the most sunshine days is August (18.2 days).
The month with the least sunshine days is December (13.1 days).
Average UV index in July
South Wellfleet, MA
- Average UV index in July: 6
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in July
South Wellfleet, MA
- Average cloud cover in July: 31
The month with the most cloud cover is December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in July
South Wellfleet, MA
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
